DIPTERA. 241 



tawny ; veins black, tawny at the base ; poisers tawny. Length ol' the 

 body 2f lines ; of the wings 5i lines. 



Brazil. 



SvRPHUs L^NAs, Mas. 



Niger, capile anllco Jlavo, thorace viltis ferruyineis ornato, abdominc ni- 

 gro-ceneo laleribus fet-rugineis, antcnnis pedibusqtie fulvis, feynoribus 

 Jiigris, tibiis anteriorilius tar.sisque posticis piceo cinclis, tibiis posti- 

 cis piceis, alis cincreis ad costam subfiiscis. 



Black : head bright yelloiv in front, adorned with a metallic colour 

 about the eyelets; hind part with a hoary covering, clothed with hoary 

 hairs : eyes red ; facets on the fore part of the crown rather larger than 

 those elsewhere: sucker pitchy: feelers tawny; sixth joint black : chest 

 and breast brassy green ; chest adorned with ferruginous stripes ; a yelloiu 

 spot on each side of the breast : abdomen spindle-shaped, bronze-black, very 

 much longer than the chest; sides ferruginous : legs taivny ; thighs black ; 

 hind-shanks pitchy ; a pitchy band on each of the four anterior-shaiiks ; 

 hind-feet pitchy at the base and at tjie tips ; wings gray, pale brown along 

 the fore border ; wing-ribs i)itchy ; veins black, pitchy at the base ; brands 

 brown: poisers tawny. Length of the body 2^ lines; of the wings 5 

 lines. 



Brazil. 



SvRPurs Stolo, Mas. 



Niger, capile antico Jlavo, scutello piceo, abdominis laleribus fulris, an- 

 tcnnis piceis, pcdibus piceo-fulrls poslicis )iigris, alis nigro-cinrreis. 



Head yellow, hind part tinged with gray, dollied with hoary hairs; 

 crown and peristoma black ; crown thickly clolhed with short black hairs: 

 eyes red, slightly bronzed: feelers pitchy: cliest and breast blac/c, launi/ 

 about the base of the toings, clothed with black hairs : breast tinged with 

 gray : scutcheon pitchy : abdomen black, narrower and much longer tlian the 

 chest, dark taivny along each side, thinly clothed with short black hairs, 

 adorned with a tuft of tawny hairs on each side (f the base : legs lawny, 

 mostly pilchy (ibuvc ; hind -legs black: hind-fed long, Unrny touards the 

 base : wings blackish, gray towards the iij's and along the hind border; 



